307977346 has 8 divisors (see below), whose sum is σ = 486280080. Its totient is φ = 145883988.

The previous prime is 307977331. The next prime is 307977347. The reversal of 307977346 is 643779703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 307977296 and 307977305.

It is not an unprimeable number, because it can be changed into a prime (307977347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4052296 + ... + 4052371.

It is an arithmetic number, because the mean of its divisors is an integer number (60785010).

Almost surely, 2^307977346 is an apocalyptic number.

307977346 is a deficient number, since it is larger than the sum of its proper divisors (178302734).

307977346 is a wasteful number, since it uses less digits than its factorization.

307977346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104688.

The product of its (nonzero) digits is 666792, while the sum is 46.

The square root of 307977346 is about 17549.2833471911. The cubic root of 307977346 is about 675.3147839515.

The spelling of 307977346 in words is "three hundred seven million, nine hundred seventy-seven thousand, three hundred forty-six".